How much does a 0.20 to 0.49ct I VVS1 natural marquise diamond cost?

As of November 2026, 0.20 to 0.49ct I VVS1 natural marquise diamonds typically cost $533 NZD to $1,349 NZD, with a median price of $839 NZD. There are currently 166 diamonds matching this specification available across retailers.

Where can I find the best price on a I VVS1 marquise diamond?

About 42% of these diamonds are available at multiple retailers, with an average price spread of 27%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.20 to 0.49ct I VVS1 Natural Marquise

Quick answer

As of November 2026, there are 166 natural marquise diamonds with I colour and VVS1 clarity in the 0.20 to 0.49ct range available across retailers worldwide. Prices typically run $533 NZD to $1,349 NZD, with a median of $839 NZD. At least 18 retailers stock this exact specification, and 42% of the stones appear at more than one of them, with an average price spread of 27%. Half of all listings fall between $2,539 NZD and $3,337 NZD per carat. The same specification in lab grown form lists at a median of about $1,400 NZD per carat. Over the last 30 days the median price moved -1.0% and the number of listings moved +6.3%.

Three of the best scored stones at this specification right now:

Caratlytics Diamond Price Index, September 2026: natural diamonds at 2,335 USD per carat and lab-grown at 443 USD per carat, a natural to lab ratio of 5.3 to 1. Marquise natural stones in the index: 2,268 USD per carat, +10.8% month on month. See the full index release

Figures come from current listings across more than 100 retailers and refresh daily. The index is a monthly release.

Last updated: November 2026

Available

166

Lowest Price

$377 NZD

Highest Price

$3,023 NZD

Average Price

$893 NZD